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?? 1/10?,?3000???2010???12??????????,?M257??????,?????????3000????????????????,??,????????????????,?????????????????????,?????????????????,??????,?????????????3000?,?????
???:?????????????????????
?????? ???????????????
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????????????470?:???3?1?
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??2???????????????????
????:???????????????????
??2??????2?1600?????2?
??:??????????????????
???????:??????????????
??:??????????????????
??:?????5-0????????????
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????????????????CEO??
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??:4?27????????
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????1?????????????????
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????????????????CEO??
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??:?????????????
??3?????????0.2%
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